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Acquisition - Parent Affiliate Units (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended
Mar. 31, 2016
Jun. 30, 2016
Business Acquisition [Line Items]    
Units purchased (in units) 400,000  
Common units sold (in units)   400,000
Sale of noncontrolling interest   $ 5.0
CVR Nitrogen    
Business Acquisition [Line Items]    
Limited partner interest 1.00%